Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2026, 08:13
Behavioral task
behavioral1
Sample
75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe
Resource
win10v2004-20250619-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe
- Size 638KB
- Sample260511-j4hm7ads31
- SHA256 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc
- MD5 66b633d4d1fd1be94e3ea60c6021df38
- SHA1 88cd9897aeb2e7b4a4c991b23ef41b7bd3233dce
- SHA512 a6f8a4ccfbb8a7efec6ef7964a8c5e281b126b0976233d66131936135b4e5c0d64fc66d5210c6a714c05909d4d8e3dbf3643a10ace87c01394697d5551250e3b
- SSDEEP 6144:BcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:BSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T1BFD46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5428 b1c244ae - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 4 223.5.5.5 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe Destination IP 32 114.114.114.114 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe Destination IP 34 223.5.5.5 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe Destination IP 110 114.114.114.114 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe Destination IP 111 223.5.5.5 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe Destination IP 3 114.114.114.114 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\b1c244ae 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b1c244ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b1c244ae -
resource yara_rule behavioral1/memory/968-0-0x0000000000C40000-0x0000000000CCC000-memory.dmp upx behavioral1/files/0x00050000000229b1-2.dat upx behavioral1/memory/5428-4-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral1/memory/968-15-0x0000000000C40000-0x0000000000CCC000-memory.dmp upx behavioral1/memory/5428-18-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral1/memory/5428-44-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5cede8 b1c244ae File opened for modification C:\Windows\109290 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1c244ae - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b1c244ae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b1c244ae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b1c244ae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b1c244ae Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b1c244ae Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b1c244ae Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b1c244ae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b1c244ae Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b1c244ae - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5428 b1c244ae 5428 b1c244ae 5428 b1c244ae 5428 b1c244ae 5428 b1c244ae 5428 b1c244ae 5428 b1c244ae 5428 b1c244ae 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe Token: SeTcbPrivilege 968 75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe Token: SeDebugPrivilege 5428 b1c244ae Token: SeTcbPrivilege 5428 b1c244ae
Processes
-
C:\Users\Admin\AppData\Local\Temp\75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe"C:\Users\Admin\AppData\Local\Temp\75767ebf4b31cd16f81304e0fff9673bea0e242a8b0a6d12d04eee42f0ad77fc.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:968
-
C:\Windows\Syswow64\b1c244aeC:\Windows\Syswow64\b1c244ae1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5428
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b1c244ae
- Size 638KB
- SHA256 1ca7b876b87a19706f46be0db136023836279c97a919af035b9c1dd58462f18a
- MD5 c508ea6d89538a807d323d0608de9528
- SHA1 dc44470d384a04b182174a8e7f2af1ef6c173e0c
- SHA512 887a66ef4f0b302b3183f7f42dc5cce8bcd84a197dd6773bbb3a57d8a498ff0d0db651ded98c1ad7133c4522255eb303a0b873a3e75bf0b1b826ff1df3bdcb40
- SSDEEP 6144:gcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:gSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T169D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH